Sahih al-Bukhari · Hadith 3125

One-fifth of Booty to the Cause of Allah (Khumus)

Narrated Aslam: `Umar said, "Were it not for those Muslims who have not come to existence yet, I would have distributed (the land of) every town I conquer among the fighters as the Prophet (ﷺ) distributed the land of Khaibar